*/
struct files_ref_store {
struct ref_store base;
+ unsigned int store_flags;
char *gitdir;
char *gitcommondir;
* Create a new submodule ref cache and add it to the internal
* set of caches.
*/
-static struct ref_store *files_ref_store_create(const char *gitdir)
+static struct ref_store *files_ref_store_create(const char *gitdir,
+ unsigned int flags)
{
struct files_ref_store *refs = xcalloc(1, sizeof(*refs));
struct ref_store *ref_store = (struct ref_store *)refs;
struct strbuf sb = STRBUF_INIT;
base_ref_store_init(ref_store, &refs_be_files);
+ refs->store_flags = flags;
refs->gitdir = xstrdup(gitdir);
get_common_dir_noenv(&sb, gitdir);
}
/*
- * Die if refs is for a submodule (i.e., not for the main repository).
- * caller is used in any necessary error messages.
+ * Die if refs is not the main ref store. caller is used in any
+ * necessary error messages.
*/
static void files_assert_main_repository(struct files_ref_store *refs,
const char *caller)
{
- /* This function is to be fixed up in the next patch */
+ if (refs->store_flags & REF_STORE_MAIN)
+ return;
+
+ die("BUG: operation %s only allowed for main ref store", caller);
}
/*
* Downcast ref_store to files_ref_store. Die if ref_store is not a
- * files_ref_store. If submodule_allowed is not true, then also die if
- * files_ref_store is for a submodule (i.e., not for the main
- * repository). caller is used in any necessary error messages.
+ * files_ref_store. required_flags is compared with ref_store's
+ * store_flags to ensure the ref_store has all required capabilities.
+ * "caller" is used in any necessary error messages.
*/
-static struct files_ref_store *files_downcast(
- struct ref_store *ref_store, int submodule_allowed,
- const char *caller)
+static struct files_ref_store *files_downcast(struct ref_store *ref_store,
+ unsigned int required_flags,
+ const char *caller)
{
struct files_ref_store *refs;
refs = (struct files_ref_store *)ref_store;
- if (!submodule_allowed)
- files_assert_main_repository(refs, caller);
+ if ((refs->store_flags & required_flags) != required_flags)
+ die("BUG: operation %s requires abilities 0x%x, but only have 0x%x",
+ caller, required_flags, refs->store_flags);
return refs;
}
struct strbuf *referent, unsigned int *type)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 1, "read_raw_ref");
+ files_downcast(ref_store, REF_STORE_READ, "read_raw_ref");
struct strbuf sb_contents = STRBUF_INIT;
struct strbuf sb_path = STRBUF_INIT;
const char *path;
static int files_peel_ref(struct ref_store *ref_store,
const char *refname, unsigned char *sha1)
{
- struct files_ref_store *refs = files_downcast(ref_store, 0, "peel_ref");
+ struct files_ref_store *refs =
+ files_downcast(ref_store, REF_STORE_READ | REF_STORE_ODB,
+ "peel_ref");
int flag;
unsigned char base[20];
+ files_assert_main_repository(refs, "peel_ref");
+
if (current_ref_iter && current_ref_iter->refname == refname) {
struct object_id peeled;
struct ref_store *ref_store,
const char *prefix, unsigned int flags)
{
- struct files_ref_store *refs =
- files_downcast(ref_store, 1, "ref_iterator_begin");
+ struct files_ref_store *refs;
struct ref_dir *loose_dir, *packed_dir;
struct ref_iterator *loose_iter, *packed_iter;
struct files_ref_iterator *iter;
if (ref_paranoia)
flags |= DO_FOR_EACH_INCLUDE_BROKEN;
+ refs = files_downcast(ref_store,
+ REF_STORE_READ | (ref_paranoia ? 0 : REF_STORE_ODB),
+ "ref_iterator_begin");
+
iter = xcalloc(1, sizeof(*iter));
ref_iterator = &iter->base;
base_ref_iterator_init(ref_iterator, &files_ref_iterator_vtable);
static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "pack_refs");
+ files_downcast(ref_store, REF_STORE_WRITE | REF_STORE_ODB,
+ "pack_refs");
struct pack_refs_cb_data cbdata;
memset(&cbdata, 0, sizeof(cbdata));
struct string_list *refnames, unsigned int flags)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "delete_refs");
+ files_downcast(ref_store, REF_STORE_WRITE, "delete_refs");
struct strbuf err = STRBUF_INIT;
int i, result = 0;
struct strbuf *err)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 1, "verify_refname_available");
+ files_downcast(ref_store, REF_STORE_READ, "verify_refname_available");
struct ref_dir *packed_refs = get_packed_refs(refs);
struct ref_dir *loose_refs = get_loose_refs(refs);
const char *logmsg)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "rename_ref");
+ files_downcast(ref_store, REF_STORE_WRITE, "rename_ref");
unsigned char sha1[20], orig_sha1[20];
int flag = 0, logmoved = 0;
struct ref_lock *lock;
struct strbuf *err)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "create_reflog");
+ files_downcast(ref_store, REF_STORE_WRITE, "create_reflog");
int fd;
if (log_ref_setup(refs, refname, force_create, &fd, err))
const char *logmsg)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "create_symref");
+ files_downcast(ref_store, REF_STORE_WRITE, "create_symref");
struct strbuf err = STRBUF_INIT;
struct ref_lock *lock;
int ret;
* backends. This function needs to die.
*/
struct files_ref_store *refs =
- files_downcast(get_main_ref_store(), 0, "set_head_symref");
+ files_downcast(get_main_ref_store(),
+ REF_STORE_WRITE,
+ "set_head_symref");
static struct lock_file head_lock;
struct ref_lock *lock;
const char *refname)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "reflog_exists");
+ files_downcast(ref_store, REF_STORE_READ, "reflog_exists");
struct strbuf sb = STRBUF_INIT;
struct stat st;
int ret;
const char *refname)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "delete_reflog");
+ files_downcast(ref_store, REF_STORE_WRITE, "delete_reflog");
struct strbuf sb = STRBUF_INIT;
int ret;
void *cb_data)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "for_each_reflog_ent_reverse");
+ files_downcast(ref_store, REF_STORE_READ,
+ "for_each_reflog_ent_reverse");
struct strbuf sb = STRBUF_INIT;
FILE *logfp;
long pos;
each_reflog_ent_fn fn, void *cb_data)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "for_each_reflog_ent");
+ files_downcast(ref_store, REF_STORE_READ,
+ "for_each_reflog_ent");
FILE *logfp;
struct strbuf sb = STRBUF_INIT;
int ret = 0;
static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_store)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "reflog_iterator_begin");
+ files_downcast(ref_store, REF_STORE_READ,
+ "reflog_iterator_begin");
struct files_reflog_iterator *iter = xcalloc(1, sizeof(*iter));
struct ref_iterator *ref_iterator = &iter->base;
struct strbuf sb = STRBUF_INIT;
struct strbuf *err)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "ref_transaction_commit");
+ files_downcast(ref_store, REF_STORE_WRITE,
+ "ref_transaction_commit");
int ret = 0, i;
struct string_list refs_to_delete = STRING_LIST_INIT_NODUP;
struct string_list_item *ref_to_delete;
struct strbuf *err)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "initial_ref_transaction_commit");
+ files_downcast(ref_store, REF_STORE_WRITE,
+ "initial_ref_transaction_commit");
int ret = 0, i;
struct string_list affected_refnames = STRING_LIST_INIT_NODUP;
void *policy_cb_data)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "reflog_expire");
+ files_downcast(ref_store, REF_STORE_WRITE, "reflog_expire");
static struct lock_file reflog_lock;
struct expire_reflog_cb cb;
struct ref_lock *lock;
static int files_init_db(struct ref_store *ref_store, struct strbuf *err)
{
struct files_ref_store *refs =
- files_downcast(ref_store, 0, "init_db");
+ files_downcast(ref_store, REF_STORE_WRITE, "init_db");
struct strbuf sb = STRBUF_INIT;
/*